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sagittarius

> 编程语言
Open source

A GPT-4/Gemini Voice/Video Exploration Tool

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A GPT-4/Gemini Voice/Video Exploration Tool

Sagittarius

What is this? A GPT-4/Gemini Voice/Video Exploration Tool!

Do you have an API key from either OpenAI or Gemini? You can use the tool online! No need to install anything.

See below for more context:

  • Original "A Remake of the Google Gemini Fake Demo, Except Using GPT-4 and It's Real" video
  • Heads-to-heads comparison of Gemini Pro and GPT-4
  • Sagittarius supports multiple voices, can be used by anyone on the internet, and is much faster! Yay

how to build

  • clone this repo, cd into it
  • duplicate .env.example and name the copy .env
  • fill out the VITE_OPENAI_KEY= value with your OpenAI api key. you must have access to the gpt-4-vision-preview model
    • you can also try out the Gemini API if you have a key -- fill out VITE_GEMINI_KEY in the same .env
  • then, run:
  • npm install
  • npm run dev
  • the demo will be running at http://localhost:5173

note: the in-browser speech recognition works best in Google Chrome

TODO

  • allow input of API keys as `` on the page
  • deploy frontend to site i.e. sagittarius.greg.technology via vite+github actions
  • enable streaming output..!
  • make new video with 3) streaming output / comparison
  • enable selection of dictation language
  • make new video with 1) uses of repo in the wild / forks 2) UI improvements
  • add allcontributors bot
  • add dependabot

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> Details

PublishedAug 1, 2026
UpdatedSep 17, 2026
Category编程语言
PricingOpen source

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